CN218974104U

CN218974104U - Vehicle-mounted particulate miniature monitoring equipment gas circuit structure

Info

Publication number: CN218974104U
Application number: CN202222851967.3U
Authority: CN
Inventors: 胡君; 刘阔义; 张伟丽; 袁彦蒙; 刘鹏浩; 崔津; 崔延青; 寇志华; 徐江江
Original assignee: Fairsense Beijing Environment Technology Co ltd
Current assignee: Fairsense Beijing Environment Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-05
Anticipated expiration: 2032-10-27

Abstract

The application relates to the technical field of environmental pollution monitoring, especially, relate to a miniature supervisory equipment gas circuit structure of on-vehicle particulate matter, including casing, sensor and ventilation cap, the sensor sets up in the casing, a plurality of air outlet units have been seted up to the array on the lateral wall of casing, the inside cavity of ventilation cap, the inside intercommunication of casing and ventilation cap, set up the vent with the inside intercommunication of ventilation cap on the lateral wall of ventilation cap, the interior bottom wall of ventilation cap is provided with the inclined plane. Outside air enters into the casing through the vent, and the sensor in the casing monitors the air that enters into the casing, and then outside the air of casing was discharged from air outlet unit casing, outside air entered into the casing through the contact of vent back and inclined plane, improves sensor air collection effect.

Description

Vehicle-mounted particulate miniature monitoring equipment gas circuit structure

Technical Field

The application relates to the technical field of environmental pollution monitoring, in particular to a vehicle-mounted particulate miniature monitoring equipment gas circuit structure.

Background

The air quality detection is to detect whether the air quality is good or bad. The quality of the air reflects the concentration of pollutants in the air. Air pollution is a complex phenomenon, and air pollutant concentrations are affected by many factors at specific times and locations. The amplification of man-made pollutant emissions from stationary and mobile pollution sources is one of the most important factors affecting the quality of air, including the exhaust gases of vehicles, ships, airplanes, industrial production emissions, residential life and heating, waste incineration, etc. Urban development density, topography, weather, etc. are also important factors affecting air quality.

At present, an air quality sensor is adopted for air quality detection, the air quality sensor is arranged in a shell, the shell can be fixedly arranged at a certain position for fixedly monitoring the air quality of the position, and also can be arranged on a movable object for movably monitoring the air in a certain area, and an air outlet and an air vent are respectively formed in the side walls of two sides of the shell.

With respect to the above-described related art, the inventors found that there are the following drawbacks: the existing air inlet and outlet shell structure is easy to cause particulate matter deposition, and cannot enable particulate matters to enter the detection unit to a greater extent, so that the particulate matter collection effect is poor.

Disclosure of Invention

In order to improve sensor particulate matter collection effect, this application provides a miniature supervisory equipment gas circuit structure of on-vehicle particulate matter.

The application provides a miniature supervisory equipment gas circuit structure of on-vehicle particulate matter adopts following technical scheme:

the utility model provides a miniature supervisory equipment gas circuit structure of on-vehicle particulate matter, includes casing, sensor and ventilation cap, the sensor sets up in the casing, a plurality of air outlet units have been seted up to the array on the lateral wall of casing, the inside cavity of ventilation cap, the inside intercommunication of casing and ventilation cap, set up the intercommunication mouth with the inside intercommunication of ventilation cap on the lateral wall of ventilation cap, the interior bottom wall of ventilation cap is provided with the inclined plane.

Through adopting above-mentioned technical scheme, outside air enters into in the casing through the intercommunication mouth, and the sensor in the casing monitors the air that enters into the casing, and then outside the air of casing was discharged from the air outlet unit casing, outside air entered into in the casing through the contact of intercommunication mouth back and inclined plane, improves sensor air collection effect.

Optionally, the communication port includes air intake and vent, air intake and vent all are including a plurality of ventilation unit, the plane is higher than the upper plane at the top of vent on the top of air intake, the air intake is located the higher end of inclined plane.

Through adopting above-mentioned technical scheme, air intake and vent dislocation set can prevent effectively that the air from directly discharging from the vent after passing through the air intake.

Optionally, the number of ventilation units of the communication port is greater than the number of air outlet units of the air outlet.

Through adopting above-mentioned technical scheme, ventilation unit quantity is greater than the air outlet unit quantity of air outlet, makes the inside of entering casing of intake air more limit, improves sensor air collection effect.

Optionally, the top and the casing butt of ventilation cap, the perforation has been seted up to the bottom of ventilation cap, be provided with fixing bolt on the ventilation cap, fixing bolt passes the perforation and with casing threaded connection.

Through adopting above-mentioned technical scheme, the staff passes through fixing bolt and fixes the ventilation cap to the casing on, and the fixed ventilation cap is firm.

Optionally, be provided with the fixed column on the interior diapire of ventilation cap, the intercommunicating pore with the perforation intercommunication has been seted up at the top of fixed column, the top and the casing butt of fixed column, fixing bolt wears to establish in the intercommunicating pore.

Through adopting above-mentioned technical scheme, fixing bolt is isolated with the air that enters into the ventilation cap, prevents effectively that the composition on the fixing bolt from being gathered by the sensor along with the air that enters into the ventilation cap to influence the collection effect of sensor.

Optionally, a rubber plug for closing the communication port of the perforation is arranged on the ventilation cap.

Through adopting above-mentioned technical scheme, the rubber buffer seals the communication port of perforation, effectively prevents debris or rainwater from entering into in the perforation and damaging fixing bolt, improves fixing bolt's life.

Optionally, the bottom of casing is provided with the connecting block, the spread spectrum cap is last to be seted up the spread spectrum cap, connecting block and spread spectrum cap joint.

Through adopting above-mentioned technical scheme, connecting block and spread groove joint effectively prevent that the ventilation cap from adorning conversely.

Optionally, be provided with the capsule on the ventilation cap, the capsule is used for sealing the intercommunication mouth of intercommunication mouth, the sliding hole has been seted up to the bottom of capsule, sliding hole and ventilation cap joint.

Through adopting above-mentioned technical scheme, when not using the ventilation cap, the enclosure seals the intercommunication mouth, effectively prevents debris from entering into in the ventilation cap, improves the sensor and gathers the effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the outside air enters the shell through the communication port, the sensor in the shell monitors the air entering the shell, then the air of the shell is discharged out of the shell from the air outlet unit, the outside air contacts with the inclined surface after passing through the communication port, and enters the shell, so that the air collection effect of the sensor is improved;

2. the air inlet and the air vent are arranged in a staggered manner, so that air can be effectively prevented from being directly discharged from the air vent after passing through the air inlet;

3. the number of the ventilation units is greater than that of the air outlet units of the air outlet, so that the inlet air can enter the shell to a greater extent, and the air collection effect of the sensor is improved.

Drawings

Fig. 1 is an exploded schematic view of a ventilation structure of a monitoring device of embodiment 1 of the present application.

Fig. 2 is a bottom view of a ventilation structure of the monitoring device of embodiment 1 of the present application.

Fig. 3 is a partial schematic structural view of the ventilation structure of the monitoring device of embodiment 2 of the present application.

Reference numerals illustrate: 1. a housing; 11. an air outlet unit; 12. a connecting groove; 2. a sensor; 3. a ventilation cap; 31. an inclined surface; 4. a communication port; 41. an air inlet; 42. a vent; 43. a ventilation unit; 5. a fixing bolt; 6. fixing the column; 7. a rubber stopper; 8. an enclosure; 81. a sliding hole; 9. and (5) connecting a block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a vehicle-mounted particulate miniature monitoring equipment gas circuit structure.

Example 1:

referring to fig. 1 and 2, the ventilation structure of the monitoring device includes a housing 1, a sensor 2 and a ventilation cap 3, the sensor 2 is installed in the housing 1, the ventilation cap 3 is installed on an outer sidewall of the housing 1, and external air enters the housing 1 through the ventilation cap 3 and is collected by the sensor 2.

The inside of the housing 1 is hollow, and the sensor 2 is installed inside the housing 1. The bottom wall of the shell 1 is provided with a vent hole communicated with the ventilation cap 3, and air entering the ventilation cap 3 enters the shell 1 through the vent hole. A plurality of air outlet units 11 are arranged on the side wall of the shell 1 in an array manner, and the air outlet units 11 are used for communicating air outside the shell 1 with air inside the shell 1 so that air entering the shell 1 is discharged through the air outlet units 11.

The sensor 2 adopts an air quality sensor 2, the sensor 2 is provided with a fan, and when the sensor 2 is started, the fan drives air in the ventilation cap 3 to enter the sensor 2, and in the embodiment, one end of the sensor 2 extends outwards from the side wall of the shell 1 and is positioned in the ventilation cap 3. The sensor 2 is mounted with two.

The ventilator cap 3 is a protective cover made of plastic or alloy, and the cross section of the ventilator cap 3 may be circular or polygonal, and in this embodiment, the cross section of the ventilator cap 3 is circular.

Referring to fig. 1 and 2, a communication port 4 communicating with the inside of the ventilator cap 3 is formed in the outer side wall of the ventilator cap 3, the communication port 4 includes an air inlet 41 and an air vent 42, the air inlet 41 and the air vent 42 each include a plurality of ventilation units 43, the ventilation units 43 circulate the air outside the ventilator cap 3 with the air inside the ventilator cap 3, and the air outside the ventilator cap 3 enters the ventilator cap 3 through the ventilation units 43. In this embodiment, the air inlet 41 and the air vent 42 are oppositely formed on the ventilator cap 3. The vent 42 is the main communication port 4, and more air is taken in through the vent 42.

When the air inlet 41 is installed in the direction facing the vehicle, the excessive air in the ventilator cap 3 can be discharged from the air vent 42, and when the air vent 42 is installed in the direction facing the vehicle, the air vent 42 serves as the air inlet. In the present embodiment, the air intake 41 is installed facing the vehicle traveling direction.

An inclined surface 31 is provided on the inner bottom wall of the ventilator cap 3. In the present embodiment, the angle of the inclined surface 31 is 45 °. The air inlet 41 is located at the higher end of the inclined surface 31, and the air vent 42 is located at the lower end of the inclined surface 31 such that the upper plane of the top of the air inlet 41 is higher than the upper plane of the top of the air vent 42.

Air outside the ventilator cap 3 is in contact with the inclined surface 31 when entering the shell 1 through the ventilation opening 42, and is in contact with the sensor 2 which is exposed out of the shell 1 or is in direct contact with the ventilation hole of the shell 1 by the inclined surface 31 upwards along the vertical direction after being contacted by the inclined surface 31, so that the air flow rate in the ventilator cap 3 is improved, and the air collection effect of the sensor 2 is improved.

Referring to fig. 1, the number of ventilation units 43 of all the communication ports 4 is greater than the number of air outlet units 11 of all the air outlets, so that the total area of the communication ports 4 is greater than that of the air outlet communication ports, the number of ventilation units 43 is greater than that of the air outlet units 11 of the air outlets, and the inlet air enters the casing 1 to a greater extent, thereby improving the air collection effect of the sensor 2. The air inlet 41 and the ventilation opening 42 are arranged in a staggered mode, so that external air of the ventilation cap 3 can be effectively prevented from being directly discharged from the ventilation opening 42 after passing through the air inlet 41, and the collection effect of the sensor 2 is effectively guaranteed.

Referring to fig. 1 and 2, the ventilator cap 3 is detachably connected with the housing 1, so that a worker can conveniently replace the ventilator cap 3, maintain and maintain the sensor 2, and detach and mount the housing 1. The top of the ventilation cap 3 is abutted with the shell 1, the bottom of the ventilation cap 3 is provided with a through hole, and the ventilation cap 3 is provided with a fixing bolt 5. The outer side wall of the housing 1 is provided with a threaded hole, and in this embodiment, the outer side wall of the housing 1 is provided with a fixed block, and the fixed block is provided with a threaded hole. The fixed column 6 is arranged on the inner bottom wall of the ventilation cap 3, the fixed column 6 is a cylinder made of alloy materials, and a communication hole communicated with the perforation is formed in the top of the fixed column 6, so that the cross section of the fixed column 6 is a circular ring. The top of the fixed column 6 is abutted with the shell 1, the fixed bolt 5 passes through the perforation and the communication hole and is in threaded connection with the shell 1, and after the fixed bolt 5 is in threaded connection with the shell 1, the fixed bolt 5 passes through the communication hole. The fixing bolt 5 is isolated with the air that enters into the ventilation cap 3, prevents effectively that the composition on the fixing bolt 5 from being gathered by the sensor 2 along with the air that enters into the ventilation cap 3 to influence the collection effect of sensor 2.

The ventilation cap 3 is provided with a rubber plug 7 for closing the communication port of the perforation. The rubber plug 7 seals the perforated communication port, effectively prevents sundries or rainwater from entering into the perforation and damaging the fixing bolt 5, and improves the service life of the fixing bolt 5.

Referring to fig. 1 and 2, a connection block 9 is mounted at the bottom of the housing 1, and the connection block 9 has a polygonal cross section, and in this embodiment, the connection block 9 is a rectangular block. The ventilating cap 3 is provided with a connecting groove 12, and the connecting block 9 is clamped with the connecting groove 12. The connecting block 9 is clamped with the connecting groove 12, so that the reverse installation of the ventilation cap 3 is effectively prevented.

Example 2:

referring to fig. 2 and 3, this embodiment 2 is different from embodiment 1 in that a capsule 8 is mounted on the outside of a ventilator cap 3.

The ventilation cap 3 is provided with a sealing shell 8, and the sealing shell 8 is made of alloy materials. The cross section of the enclosure 8 is a circular ring, a sliding hole 81 is formed in the center of the bottom of the enclosure 8, and the sliding hole 81 is clamped with the ventilation cap 3. The side wall of the sliding hole 81 contacts the communication port 4, so that the capsule 8 closes the communication port of the communication port 4. When not using ventilation cap 3, enclosure 8 seals communication port 4, effectively prevents debris from entering into ventilation cap 3 through communication port 4, reduces debris such as dust and piles up in ventilation cap 3, improves sensor 2 and gathers the effect.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a miniature supervisory equipment gas circuit structure of on-vehicle particulate matter which characterized in that: including casing (1), sensor (2) and ventilation cap (3), sensor (2) set up in casing (1), a plurality of air outlet units (11) have been seted up to the array on the lateral wall of casing (1), the inside cavity of ventilation cap (3), the inside intercommunication of casing (1) and ventilation cap (3), set up on the lateral wall of ventilation cap (3) with ventilation cap (3) inside intercommunication mouth (4), the interior bottom wall of ventilation cap (3) is provided with inclined plane (31).

2. The vehicle-mounted particulate micro-monitoring device air path structure according to claim 1, wherein: the communication port (4) comprises an air inlet (41) and a ventilation opening (42), the air inlet (41) and the ventilation opening (42) comprise a plurality of ventilation units (43), the upper plane of the top of the air inlet (41) is higher than the upper plane of the top of the ventilation opening (42), and the air inlet (41) is located at the higher end of the inclined surface (31).

3. The vehicle-mounted particulate micro-monitoring device air path structure according to claim 2, wherein: the number of ventilation units (43) of the communication port (4) is larger than the number of air outlet units (11) of the air outlet.

4. The vehicle-mounted particulate matter miniature monitoring device air path structure according to claim 1 or 3, wherein: the top of ventilation cap (3) and casing (1) butt, the perforation has been seted up to the bottom of ventilation cap (3), be provided with fixing bolt (5) on ventilation cap (3), fixing bolt (5) pass the perforation and with casing (1) threaded connection.

5. The vehicle-mounted particulate micro-monitoring device air path structure according to claim 4, wherein: the utility model discloses a ventilator cap, including ventilation cap (3), fixed column (6) are provided with on the interior diapire of ventilation cap (3), the intercommunicating pore with perforation intercommunication has been seted up at the top of fixed column (6), the top and the casing (1) butt of fixed column (6), fixing bolt (5) wear to establish in the intercommunicating pore.

6. The vehicle-mounted particulate micro-monitoring device air path structure according to claim 5, wherein: a rubber plug (7) for closing the communication port of the perforation is arranged on the ventilation cap (3).

7. The vehicle-mounted particulate micro-monitoring device air path structure according to claim 4, wherein: the bottom of casing (1) is provided with connecting block (9), connecting groove (12) have been seted up on ventilation cap (3), connecting block (9) and connecting groove (12) joint.

8. The vehicle-mounted particulate micro-monitoring device air path structure according to claim 4, wherein: be provided with enclosure (8) on ventilation cap (3), enclosure (8) are used for closing the intercommunication mouth of vent, slide hole (81) have been seted up to the bottom of enclosure (8), slide hole (81) and ventilation cap (3) joint.